Wilm has posted:
The Lion's Mound is a large conical artificial hill located in the municipality of Braine-l'Alleud, Belgium. King William I of the Netherlands ordered its construction in 1820, and it was completed in 1826. It commemorates the location on the battlefield of Waterloo. (Wikipedia)
(The round white building is the Panorama, part of the museum.)
(The round white building is the Panorama, part of the museum.)